Overview

The Nike Air Vapormax 2021 FK GS (DQ7758-100) brings the modern VaporMax platform to grade-school sizing with a refined Flyknit upper, full-length Air cushioning, and updated sustainability features. Designed for young athletes and everyday wear, this iteration adapts the iconic Vapormax silhouette to the needs of growing feet—combining lightweight support, responsive ride quality, and improved material efficiency in a neutral white colorway.

Design and Materials

The Vapormax 2021 FK uses a single-piece Flyknit (FK) upper engineered for breathable, adaptive fit. The knit construction wraps the foot for a sock-like feel while maintaining structure in key zones for stability during lateral movement. Nike integrated recycled yarns in the upper and reduced excess overlays, reflecting a focus on sustainability without sacrificing performance.

Cushioning and Ride

At the heart of the DQ7758-100 is Nike's full-length Vapormax Air unit. Instead of a traditional foam midsole, the shoe features segmented, pressurized Air pods that provide direct, low-profile cushioning and energetic responsiveness. For grade-school wearers, this translates to a lively but controlled ride—excellent for playground activity, commuting, and light training.

Fit and Sizing for Grade School

Grade School (GS) sizing is tailored for older children and smaller-footed adults. The Flyknit upper conforms to foot shape, offering a snug fit that reduces slippage. For best results, measure foot length and compare it to Nike's GS size chart; many find the Vapormax 2021 FK runs true to size, but those who prefer extra room—especially with socks—may consider a half-size up. The design includes a secure lace system and a slightly reinforced heel to lock the foot in place.

Performance and Use Cases

The Vapormax 2021 FK GS excels as a versatile lifestyle and light-performance shoe. Its responsive Air cushioning and flexible Flyknit make it suitable for daily school wear, walking, and casual sports. While not designed as a specialized competitive running shoe for youth track, it offers sufficient support and shock absorption for recreational running and high-activity days.

Care and Durability

To maintain appearance and function, clean the Flyknit upper with a soft brush and mild detergent, then air-dry away from direct heat. The segmented Air pods provide durable cushioning, but avoid sharp impacts and prolonged exposure to grease or solvents which can compromise the unit. Regular dirt removal from the outsole preserves traction and extends service life.

Key Features
  • Model: Nike Air Vapormax 2021 FK GS (DQ7758-100)
  • Upper: Flyknit engineered for breathability and adaptive fit
  • Cushioning: Full-length Vapormax Air pods for low-profile responsiveness
  • Sustainable elements: Contains recycled materials in upper construction
  • Fit: Grade School sizing—supports growing feet and small adult sizes
  • Outsole: Segmented rubber pods for traction and targeted durability
  • Use: Everyday wear, recreational running, and active youth lifestyle
Buying Considerations

When purchasing the Vapormax 2021 FK GS, confirm the GS sizing matches your measurement, especially if converting from adult sizes. Consider the intended use: this model prioritizes lightweight comfort and style over heavyweight stability for aggressive sports. The DQ7758-100 colorway offers a clean, versatile look that pairs well with school uniforms and casual outfits.

Conclusion

The Nike Air Vapormax 2021 FK GS (DQ7758-100) is a compelling option for parents and youth seeking a modern, high-performance sneaker with a focus on cushioning, comfort, and conscience. It blends the signature VaporMax ride with Flyknit adaptability and sustainable updates, delivering a reliable, stylish choice for everyday activity and light athletic use.